Rashidi Othman, Fatimah Azzahra Mohd Zaifuddin, and Norazian Mohd Hassan, “Characterisation of Carotenoid and Total Retinol Equivalent Content in Ulam and Medicinal Species as Alternative Food Intervention to Combat Vitamin A Deficiency”, J. Pharm. Nutr. Sci., vol. 7, no. 3, pp. 81–87, Jun. 2017.